Consider the network shown below. Suppose AS$1,$ AS$2,$ AS$3,$ and AS$4$ are running OSPF for their intra$-$AS routing protocol and that all links have a weight of $1.$ Initially suppose

there is no link between AS$2$ and AS$4.$ Once router $1$d learns about destination x$,$ it will need to install a forwarding table entry to x$.$ Indicate which one of the statements below

are true.

$1d$ will forward along $z1$ since hot potato routing forwards clockwise.

$1d$ will forward along $z1$ since OSPF has computed the path to $1c$ is via $z1.$

$1d$ will forward along $z2$ since OSPF has computed the path to $1c$ is via $z2.$

$1d$ will forward along $z1$ since BGP has computed the path to $1c$ is via $z1.$

$1$d will forward along z$2$ since BGP has computed the path to $1$c is via z$2.$